all energy is quantized then why do we not notice it in everyday life?
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If all energy is quantized then why do we not notice it in everyday life?
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- - 1. Which of the following is quantized? (a) mass (b) charge (c) velocity (d) energy 2. Which of the following is a vector? (a) electric field (b) electric potential (c) energy (d) speed 3. You pay for electricity (a) because electrons are consumed. (b) because protons are consumed. (c) because electrons slow down. (d) because protons slow down. (a) is an inverse square law (b) is equivalent to gravitation (c) is experimental (d) is sometimes violated 5. Two positive charges separated by distance d, then pushed towards each other to distance d/2. (a) The force is halved (b) The force is quartered (c) The force remains the same (d) The force is quadrupled 4. Coulomb's LawIf an electron in an atom falls from the n = 3 to the n = 1 energy state, does it emit or absorb a photon? O emit absorb neitherAn electron sitting in the -4eV energy level of this atom is struck with a photon of wavelength 345nm. As a result, the electron will -0.2 ev --0.4 ev -1.8 ev 4 ev O Absorb the photon and rise to the -0.4eV energy level Absorb the photon and rise to the -1.8eV energy level Not absorb the photon, and will remain in the -4eV energy level Absorb the photon and escape the atom Absorb the photon and rise to the -0.2eV energy level
- Can a single microwave photon cause cell damage? Explain.Which of the following changes would result in a higher required stopping voltage during a photoelectric effect experiment? (2 correct answers) decrease the binding energy of the source plate increase the frequency of light incident on the source plate increase the intensity (brightness) of light incident on the source plate increase the wavelength of incident light